Matter Vocab

Question 1

ALLOY

Answer 1

a homogeneous mixture of metals, or a mixture of a metal and a non-metal in which the metal is the major component.

Question 2

BRITTLENESS

Answer 2

a material’s ability to absorb energy before fracturing.

Question 3

CHEMICAL CHANGE

Answer 3

any change that results in the formation of a new chemical substance.

Question 4

CHROMATOGRAPHY

Answer 4

a characteristic of a substance that’s observed during a chemical reaction.

Question 5

COMBUSTIBILITY

Answer 5

occurs when a material catches fire at a temperature above 43 degrees celcius.

Question 6

CONDENSATION

Answer 6

any substance formed from two or more elements that have been joined together chemically.

Question 7

CONDENSATION POINT

Answer 7

the phase change that occurs when water vapor cools down to form liquid water.

Question 8

CRYSTALLIZATION

Answer 8

the separation of a pure solid substance from a solution containing the dissolved substance.

Question 9

DENSITY

Answer 9

the amount of mass per unit volume.

Question 10

DEPOSITION

Answer 10

when a gas changes directly into a solid without going through the liquid phase.

Question 11

DISTILLATION

Answer 11

the process that separates homogenous mixtures based on the different boiling points of the substances.

Question 12

ENTHALPY

Answer 12

the amount of heat in a system at constant pressure.

Question 13

EVAPORATION

Answer 13

occurs on the surface of a liquid as it changes into a gas.

Question 14

FILTRATION

Answer 14

a physical process used to separate solids from liquids by passing them through a barrier.

Question 15

FLAMMABILITY

Answer 15

occurs when a material catches fire at a temperature below 43 degrees celcius.

Question 16

HETEROGENEOUS MIXTURE

Answer 16

a combination of two or more substances in which the original substances are separated into physical distinct regions.

Question 17

HOMOGENEOUS MIXTURE

Answer 17

a combination of two or more substances that have uniform composition and chemical properties throughout; also known as a solution.

Question 18

INTER MOLECULE FORCE

Answer 18

any force that can hold or repel particles.

Question 19

MALLEABILITY

Answer 19

how readily a material’s shape can be changed.

Question 20

MATTER

Answer 20

anything that has mass and takes up space.

Question 21

MELTING

Answer 21

when a solid turns into a liquid.

Question 22

MELTING POINT

Answer 22

the temperature at which a solid turns into a liquid.

Question 23

MIXTURE

Answer 23

a combination of two or more pure substances in which each pure substance retains its individual chemical properties.

Question 24

PHASE CHANGE

Answer 24

a special type of physical change in which a substance transitions among the states of matter, solid, liquid, and gas, but the chemical properties of the substance remain the same.

Question 25

PHYSICAL CHANGE

Answer 25

a change which alters a substance without altering its composition.

Question 26

PHYSICAL PROPERTY

Answer 26

a characteristic that can be observed or measured without changing the chemical makeup of a substance. Types include color, odor, texture, boiling point, melting point, and density.

Question 27

REACTIVITY

Answer 27

the relative ability of a substance to undergo a chemical reaction.

Question 28

SOLUTION

Answer 28

a combination of two or more substances that have uniform composition and chemical properties throughout; also known as a homogeneous mixture.

Question 29

SUBLIMATION

Answer 29

when a solid transistions into a gas without going through the liquid phase.

Question 30

TEMPERATURE

Answer 30

a measure of the random kinetic energy in a sample of matter.

Question 31

VAPORIZATION

Answer 31

the phase change from liquid to gas.